WorksheetsGrade VI Science "Separation of Substances''
Total questions: 15
Worksheet time: 6mins
The process of settling down of particles of a solid in a liquid is
Sublimation
Sedimentation
Filtration
Decantation
The solubility ____________ with increase in temperature.
doesn't change
decreases
increases
While preparing chapatis, Paheli found that the flour to be used was mixed with wheat grains. Which out of the following is the most suitable method to separate the grains from the flour?
Threshing
Sieving
Winnowing
Filtration
Separation of components is done to obtain a (a) substance.
When is the solution saturated?
No more salt can be dissolved in the amount of water we have taken
Lot more salt can be added
You have to add some sugar into the solution
None of the above
What is the process that is used to separate grains from stalks called?
handpicking
threshing
sieving
winnowing
Sawdust is not soluble in water. If, accidentally some particles of sawdust drop into a glass of water. How would you separate them from water?
Decanting
Filtering
Sieving
Distillation
Which of the following is essential to perform winnowing activity?
Wind
Water
Magnet
Filter paper
Tap water and pond water are alike. (a) (true/false)
Condensation method is used for separating substances which on heating change directly into vapour. (a) (true/false)
